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How does Internet traffic break down?

I was reading one of my favourite magazines WIRED (this year’s September version) and saw the following data on how traffic on the Internet breaks down. 45% is web traffic, must be HTTP and FTP, P2P has some 25%, Streaming has surprisingly low 8%, email has some 6%, VOIP has 3%, IP VPN has 3% and the rest 8% is other.